Synonyms for mortal sin

Most common

deadly sin

All synonyms

Noun

Antonyms

venial sin

All antonyms of mortal sin →

Definitions

1. n. 1

   A sin which causes the loss of God's grace, leading to eternal damnation, unless the sinner repents, which includes their intent to confess and atone; such a sin is defined as a grave transgression against one of the Ten Commandments with the full knowledge and deliberate consent of the sinner.